[PARISC] Update parisc specific input code from parisc tree
Update drivers to new input layer changes. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Reorder code in gscps2_interrupt() and only enable ports when opened. This fixes issues with hangs booting an SMP kernel on my C360. Previously serio_interrupt() could be called before the lock in struct serio was initialised. Signed-off-by: Richard Hirst <rhirst@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Matthew Wilcox
Kyle McMartin
Родитель
ae8c75c1c4
Коммит
6ab0f5cd36
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@ -204,7 +204,7 @@ static irqreturn_t hil_kbd_interrupt(struct serio *serio,
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hil_packet packet;
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int idx;
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kbd = (struct hil_kbd *)serio->private;
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kbd = serio_get_drvdata(serio);
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if (kbd == NULL) {
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BUG();
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return IRQ_HANDLED;
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@ -234,7 +234,7 @@ static void hil_kbd_disconnect(struct serio *serio)
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{
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struct hil_kbd *kbd;
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kbd = (struct hil_kbd *)serio->private;
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kbd = serio_get_drvdata(serio);
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if (kbd == NULL) {
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BUG();
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return;
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@ -245,20 +245,20 @@ static void hil_kbd_disconnect(struct serio *serio)
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kfree(kbd);
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}
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static void hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
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static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
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{
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struct hil_kbd *kbd;
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uint8_t did, *idd;
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int i;
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if (serio->type != (SERIO_HIL_MLC | SERIO_HIL)) return;
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if (!(kbd = kmalloc(sizeof(struct hil_kbd), GFP_KERNEL))) return;
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kbd = kmalloc(sizeof(*kbd), GFP_KERNEL);
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if (!kbd)
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return -ENOMEM;
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memset(kbd, 0, sizeof(struct hil_kbd));
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if (serio_open(serio, drv)) goto bail0;
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serio->private = kbd;
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serio_set_drvdata(serio, kbd);
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kbd->serio = serio;
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kbd->dev.private = kbd;
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@ -342,19 +342,31 @@ static void hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
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down(&(kbd->sem));
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up(&(kbd->sem));
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return;
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return 0;
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bail1:
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serio_close(serio);
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bail0:
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kfree(kbd);
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serio_set_drvdata(serio, NULL);
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return -EIO;
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}
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static struct serio_device_id hil_kbd_ids[] = {
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{
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.type = SERIO_HIL_MLC,
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.proto = SERIO_HIL,
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.id = SERIO_ANY,
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.extra = SERIO_ANY,
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},
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{ 0 }
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};
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struct serio_driver hil_kbd_serio_drv = {
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.driver = {
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.name = "hil_kbd",
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},
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.description = "HP HIL keyboard driver",
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.id_table = hil_kbd_ids,
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.connect = hil_kbd_connect,
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.disconnect = hil_kbd_disconnect,
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.interrupt = hil_kbd_interrupt
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@ -22,7 +22,7 @@
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#include <linux/errno.h>
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#include <linux/input.h>
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/hil.h>
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#include <linux/spinlock.h>
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@ -196,7 +196,7 @@ static irqreturn_t hil_ptr_interrupt(struct serio *serio,
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hil_packet packet;
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int idx;
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ptr = (struct hil_ptr *)serio->private;
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ptr = serio_get_drvdata(serio);
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if (ptr == NULL) {
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BUG();
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return IRQ_HANDLED;
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@ -227,7 +227,7 @@ static void hil_ptr_disconnect(struct serio *serio)
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{
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struct hil_ptr *ptr;
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ptr = (struct hil_ptr *)serio->private;
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ptr = serio_get_drvdata(serio);
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if (ptr == NULL) {
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BUG();
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return;
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@ -238,21 +238,19 @@ static void hil_ptr_disconnect(struct serio *serio)
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kfree(ptr);
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}
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static void hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
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static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
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{
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struct hil_ptr *ptr;
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char *txt;
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unsigned int i, naxsets, btntype;
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uint8_t did, *idd;
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if (serio->type != (SERIO_HIL_MLC | SERIO_HIL)) return;
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if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return;
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if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return -ENOMEM;
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memset(ptr, 0, sizeof(struct hil_ptr));
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if (serio_open(serio, driver)) goto bail0;
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serio->private = ptr;
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serio_set_drvdata(serio, ptr);
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ptr->serio = serio;
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ptr->dev.private = ptr;
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@ -380,23 +378,34 @@ static void hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
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(btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad",
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did);
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return;
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return 0;
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bail1:
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serio_close(serio);
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bail0:
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kfree(ptr);
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return;
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serio_set_drvdata(serio, NULL);
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return -ENODEV;
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}
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static struct serio_device_id hil_ptr_ids[] = {
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{
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.type = SERIO_HIL_MLC,
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.proto = SERIO_HIL,
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.id = SERIO_ANY,
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.extra = SERIO_ANY,
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},
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{ 0 }
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};
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static struct serio_driver hil_ptr_serio_driver = {
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.driver = {
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.name = "hil_ptr",
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},
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.description = "HP HIL mouse/tablet driver",
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.connect = hil_ptr_connect,
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.disconnect = hil_ptr_disconnect,
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.interrupt = hil_ptr_interrupt
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.id_table = hil_ptr_ids,
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.connect = hil_ptr_connect,
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.disconnect = hil_ptr_disconnect,
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.interrupt = hil_ptr_interrupt
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};
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static int __init hil_ptr_init(void)
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@ -211,9 +211,6 @@ static void gscps2_reset(struct gscps2port *ps2port)
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writeb(0xff, addr+GSC_RESET);
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gscps2_flush(ps2port);
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spin_unlock_irqrestore(&ps2port->lock, flags);
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/* enable it */
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gscps2_enable(ps2port, ENABLE);
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}
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static LIST_HEAD(ps2port_list);
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@ -307,6 +304,9 @@ static int gscps2_open(struct serio *port)
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gscps2_reset(ps2port);
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/* enable it */
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gscps2_enable(ps2port, ENABLE);
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gscps2_interrupt(0, NULL, NULL);
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return 0;
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@ -370,8 +370,6 @@ static int __init gscps2_probe(struct parisc_device *dev)
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serio->port_data = ps2port;
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serio->dev.parent = &dev->dev;
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list_add_tail(&ps2port->node, &ps2port_list);
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ret = -EBUSY;
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if (request_irq(dev->irq, gscps2_interrupt, SA_SHIRQ, ps2port->port->name, ps2port))
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goto fail_miserably;
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@ -396,15 +394,16 @@ static int __init gscps2_probe(struct parisc_device *dev)
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serio_register_port(ps2port->port);
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list_add_tail(&ps2port->node, &ps2port_list);
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return 0;
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fail:
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free_irq(dev->irq, ps2port);
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fail_miserably:
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list_del(&ps2port->node);
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iounmap(ps2port->addr);
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release_mem_region(dev->hpa, GSC_STATUS + 4);
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release_mem_region(dev->hpa.start, GSC_STATUS + 4);
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fail_nomem:
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kfree(ps2port);
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@ -801,7 +801,8 @@ static int hil_mlc_serio_open(struct serio *serio) {
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struct hil_mlc_serio_map *map;
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struct hil_mlc *mlc;
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if (serio->private != NULL) return -EBUSY;
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if (serio_get_drvdata(serio) != NULL)
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return -EBUSY;
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map = serio->port_data;
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if (map == NULL) {
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@ -832,11 +833,18 @@ static void hil_mlc_serio_close(struct serio *serio) {
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return;
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}
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serio->private = NULL;
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serio_set_drvdata(serio, NULL);
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serio->drv = NULL;
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/* TODO wake up interruptable */
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}
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static struct serio_device_id hil_mlc_serio_id = {
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.type = SERIO_HIL_MLC,
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.proto = SERIO_HIL,
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.extra = SERIO_ANY,
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.id = SERIO_ANY,
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};
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int hil_mlc_register(hil_mlc *mlc) {
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int i;
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unsigned long flags;
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@ -867,7 +875,7 @@ int hil_mlc_register(hil_mlc *mlc) {
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mlc_serio = kmalloc(sizeof(*mlc_serio), GFP_KERNEL);
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mlc->serio[i] = mlc_serio;
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memset(mlc_serio, 0, sizeof(*mlc_serio));
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mlc_serio->type = SERIO_HIL | SERIO_HIL_MLC;
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mlc_serio->id = hil_mlc_serio_id;
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mlc_serio->write = hil_mlc_serio_write;
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mlc_serio->open = hil_mlc_serio_open;
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mlc_serio->close = hil_mlc_serio_close;
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@ -0,0 +1,483 @@
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#ifndef _HIL_H_
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#define _HIL_H_
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/*
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* Hewlett Packard Human Interface Loop (HP-HIL) Protocol -- header.
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*
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* Copyright (c) 2001 Brian S. Julin
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL").
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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*
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* References:
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* HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A
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*
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* A note of thanks to HP for providing and shipping reference materials
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* free of charge to help in the development of HIL support for Linux.
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*
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*/
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#include <asm/types.h>
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/* Physical constants relevant to raw loop/device timing.
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*/
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#define HIL_CLOCK 8MHZ
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#define HIL_EK1_CLOCK 30HZ
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#define HIL_EK2_CLOCK 60HZ
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#define HIL_TIMEOUT_DEV 5 /* ms */
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#define HIL_TIMEOUT_DEVS 10 /* ms */
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#define HIL_TIMEOUT_NORESP 10 /* ms */
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#define HIL_TIMEOUT_DEVS_DATA 16 /* ms */
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#define HIL_TIMEOUT_SELFTEST 200 /* ms */
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/* Actual wire line coding. These will only be useful if someone is
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* implementing a software MLC to run HIL devices on a non-parisc machine.
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*/
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#define HIL_WIRE_PACKET_LEN 15
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enum hil_wire_bitpos {
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HIL_WIRE_START = 0,
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HIL_WIRE_ADDR2,
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HIL_WIRE_ADDR1,
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HIL_WIRE_ADDR0,
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HIL_WIRE_COMMAND,
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HIL_WIRE_DATA7,
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HIL_WIRE_DATA6,
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HIL_WIRE_DATA5,
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HIL_WIRE_DATA4,
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HIL_WIRE_DATA3,
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HIL_WIRE_DATA2,
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HIL_WIRE_DATA1,
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HIL_WIRE_DATA0,
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HIL_WIRE_PARITY,
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HIL_WIRE_STOP
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};
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/* HP documentation uses these bit positions to refer to commands;
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* we will call these "packets".
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*/
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enum hil_pkt_bitpos {
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HIL_PKT_CMD = 0x00000800,
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HIL_PKT_ADDR2 = 0x00000400,
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HIL_PKT_ADDR1 = 0x00000200,
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HIL_PKT_ADDR0 = 0x00000100,
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HIL_PKT_ADDR_MASK = 0x00000700,
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HIL_PKT_ADDR_SHIFT = 8,
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HIL_PKT_DATA7 = 0x00000080,
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HIL_PKT_DATA6 = 0x00000040,
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HIL_PKT_DATA5 = 0x00000020,
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HIL_PKT_DATA4 = 0x00000010,
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HIL_PKT_DATA3 = 0x00000008,
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HIL_PKT_DATA2 = 0x00000004,
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HIL_PKT_DATA1 = 0x00000002,
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HIL_PKT_DATA0 = 0x00000001,
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HIL_PKT_DATA_MASK = 0x000000FF,
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HIL_PKT_DATA_SHIFT = 0
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};
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/* The HIL MLC also has several error/status/control bits. We extend the
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* "packet" to include these when direct access to the MLC is available,
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* or emulate them in cases where they are not available.
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*
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* This way the device driver knows that the underlying MLC driver
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* has had to deal with loop errors.
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*/
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enum hil_error_bitpos {
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HIL_ERR_OB = 0x00000800, /* MLC is busy sending an auto-poll,
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or we have filled up the output
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buffer and must wait. */
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HIL_ERR_INT = 0x00010000, /* A normal interrupt has occurred. */
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HIL_ERR_NMI = 0x00020000, /* An NMI has occurred. */
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HIL_ERR_LERR = 0x00040000, /* A poll didn't come back. */
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HIL_ERR_PERR = 0x01000000, /* There was a Parity Error. */
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HIL_ERR_FERR = 0x02000000, /* There was a Framing Error. */
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HIL_ERR_FOF = 0x04000000 /* Input FIFO Overflowed. */
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};
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enum hil_control_bitpos {
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HIL_CTRL_TEST = 0x00010000,
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HIL_CTRL_IPF = 0x00040000,
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HIL_CTRL_APE = 0x02000000
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};
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|
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/* Bits 30,31 are unused, we use them to control write behavior. */
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#define HIL_DO_ALTER_CTRL 0x40000000 /* Write MSW of packet to control
|
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before writing LSW to loop */
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#define HIL_CTRL_ONLY 0xc0000000 /* *Only* alter the control registers */
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|
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/* This gives us a 32-bit "packet"
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*/
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typedef u32 hil_packet;
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|
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|
||||
/* HIL Loop commands
|
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*/
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enum hil_command {
|
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HIL_CMD_IFC = 0x00, /* Interface Clear */
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HIL_CMD_EPT = 0x01, /* Enter Pass-Thru Mode */
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HIL_CMD_ELB = 0x02, /* Enter Loop-Back Mode */
|
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HIL_CMD_IDD = 0x03, /* Identify and Describe */
|
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HIL_CMD_DSR = 0x04, /* Device Soft Reset */
|
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HIL_CMD_PST = 0x05, /* Perform Self Test */
|
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HIL_CMD_RRG = 0x06, /* Read Register */
|
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HIL_CMD_WRG = 0x07, /* Write Register */
|
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HIL_CMD_ACF = 0x08, /* Auto Configure */
|
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HIL_CMDID_ACF = 0x07, /* Auto Configure bits with incremented ID */
|
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HIL_CMD_POL = 0x10, /* Poll */
|
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HIL_CMDCT_POL = 0x0f, /* Poll command bits with item count */
|
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HIL_CMD_RPL = 0x20, /* RePoll */
|
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HIL_CMDCT_RPL = 0x0f, /* RePoll command bits with item count */
|
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HIL_CMD_RNM = 0x30, /* Report Name */
|
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HIL_CMD_RST = 0x31, /* Report Status */
|
||||
HIL_CMD_EXD = 0x32, /* Extended Describe */
|
||||
HIL_CMD_RSC = 0x33, /* Report Security Code */
|
||||
|
||||
/* 0x34 to 0x3c reserved for future use */
|
||||
|
||||
HIL_CMD_DKA = 0x3d, /* Disable Keyswitch Autorepeat */
|
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HIL_CMD_EK1 = 0x3e, /* Enable Keyswitch Autorepeat 1 */
|
||||
HIL_CMD_EK2 = 0x3f, /* Enable Keyswitch Autorepeat 2 */
|
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HIL_CMD_PR1 = 0x40, /* Prompt1 */
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||||
HIL_CMD_PR2 = 0x41, /* Prompt2 */
|
||||
HIL_CMD_PR3 = 0x42, /* Prompt3 */
|
||||
HIL_CMD_PR4 = 0x43, /* Prompt4 */
|
||||
HIL_CMD_PR5 = 0x44, /* Prompt5 */
|
||||
HIL_CMD_PR6 = 0x45, /* Prompt6 */
|
||||
HIL_CMD_PR7 = 0x46, /* Prompt7 */
|
||||
HIL_CMD_PRM = 0x47, /* Prompt (General Purpose) */
|
||||
HIL_CMD_AK1 = 0x48, /* Acknowlege1 */
|
||||
HIL_CMD_AK2 = 0x49, /* Acknowlege2 */
|
||||
HIL_CMD_AK3 = 0x4a, /* Acknowlege3 */
|
||||
HIL_CMD_AK4 = 0x4b, /* Acknowlege4 */
|
||||
HIL_CMD_AK5 = 0x4c, /* Acknowlege5 */
|
||||
HIL_CMD_AK6 = 0x4d, /* Acknowlege6 */
|
||||
HIL_CMD_AK7 = 0x4e, /* Acknowlege7 */
|
||||
HIL_CMD_ACK = 0x4f, /* Acknowlege (General Purpose) */
|
||||
|
||||
/* 0x50 to 0x78 reserved for future use */
|
||||
/* 0x80 to 0xEF device-specific commands */
|
||||
/* 0xf0 to 0xf9 reserved for future use */
|
||||
|
||||
HIL_CMD_RIO = 0xfa, /* Register I/O Error */
|
||||
HIL_CMD_SHR = 0xfb, /* System Hard Reset */
|
||||
HIL_CMD_TER = 0xfc, /* Transmission Error */
|
||||
HIL_CMD_CAE = 0xfd, /* Configuration Address Error */
|
||||
HIL_CMD_DHR = 0xfe, /* Device Hard Reset */
|
||||
|
||||
/* 0xff is prohibited from use. */
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
* Response "records" to HIL commands
|
||||
*/
|
||||
|
||||
/* Device ID byte
|
||||
*/
|
||||
#define HIL_IDD_DID_TYPE_MASK 0xe0 /* Primary type bits */
|
||||
#define HIL_IDD_DID_TYPE_KB_INTEGRAL 0xa0 /* Integral keyboard */
|
||||
#define HIL_IDD_DID_TYPE_KB_ITF 0xc0 /* ITD keyboard */
|
||||
#define HIL_IDD_DID_TYPE_KB_RSVD 0xe0 /* Reserved keyboard type */
|
||||
#define HIL_IDD_DID_TYPE_KB_LANG_MASK 0x1f /* Keyboard locale bits */
|
||||
#define HIL_IDD_DID_KBLANG_USE_ESD 0x00 /* Use ESD Locale instead */
|
||||
#define HIL_IDD_DID_TYPE_ABS 0x80 /* Absolute Positioners */
|
||||
#define HIL_IDD_DID_ABS_RSVD1_MASK 0xf8 /* Reserved */
|
||||
#define HIL_IDD_DID_ABS_RSVD1 0x98
|
||||
#define HIL_IDD_DID_ABS_TABLET_MASK 0xf8 /* Tablets and digitizers */
|
||||
#define HIL_IDD_DID_ABS_TABLET 0x90
|
||||
#define HIL_IDD_DID_ABS_TSCREEN_MASK 0xfc /* Touch screens */
|
||||
#define HIL_IDD_DID_ABS_TSCREEN 0x8c
|
||||
#define HIL_IDD_DID_ABS_RSVD2_MASK 0xfc /* Reserved */
|
||||
#define HIL_IDD_DID_ABS_RSVD2 0x88
|
||||
#define HIL_IDD_DID_ABS_RSVD3_MASK 0xfc /* Reserved */
|
||||
#define HIL_IDD_DID_ABS_RSVD3 0x80
|
||||
#define HIL_IDD_DID_TYPE_REL 0x60 /* Relative Positioners */
|
||||
#define HIL_IDD_DID_REL_RSVD1_MASK 0xf0 /* Reserved */
|
||||
#define HIL_IDD_DID_REL_RSVD1 0x70
|
||||
#define HIL_IDD_DID_REL_RSVD2_MASK 0xfc /* Reserved */
|
||||
#define HIL_IDD_DID_REL_RSVD2 0x6c
|
||||
#define HIL_IDD_DID_REL_MOUSE_MASK 0xfc /* Mouse */
|
||||
#define HIL_IDD_DID_REL_MOUSE 0x68
|
||||
#define HIL_IDD_DID_REL_QUAD_MASK 0xf8 /* Other Quadrature Devices */
|
||||
#define HIL_IDD_DID_REL_QUAD 0x60
|
||||
#define HIL_IDD_DID_TYPE_CHAR 0x40 /* Character Entry */
|
||||
#define HIL_IDD_DID_CHAR_BARCODE_MASK 0xfc /* Barcode Reader */
|
||||
#define HIL_IDD_DID_CHAR_BARCODE 0x5c
|
||||
#define HIL_IDD_DID_CHAR_RSVD1_MASK 0xfc /* Reserved */
|
||||
#define HIL_IDD_DID_CHAR_RSVD1 0x58
|
||||
#define HIL_IDD_DID_CHAR_RSVD2_MASK 0xf8 /* Reserved */
|
||||
#define HIL_IDD_DID_CHAR_RSVD2 0x50
|
||||
#define HIL_IDD_DID_CHAR_RSVD3_MASK 0xf0 /* Reserved */
|
||||
#define HIL_IDD_DID_CHAR_RSVD3 0x40
|
||||
#define HIL_IDD_DID_TYPE_OTHER 0x20 /* Miscellaneous */
|
||||
#define HIL_IDD_DID_OTHER_RSVD1_MASK 0xf0 /* Reserved */
|
||||
#define HIL_IDD_DID_OTHER_RSVD1 0x30
|
||||
#define HIL_IDD_DID_OTHER_BARCODE_MASK 0xfc /* Tone Generator */
|
||||
#define HIL_IDD_DID_OTHER_BARCODE 0x2c
|
||||
#define HIL_IDD_DID_OTHER_RSVD2_MASK 0xfc /* Reserved */
|
||||
#define HIL_IDD_DID_OTHER_RSVD2 0x28
|
||||
#define HIL_IDD_DID_OTHER_RSVD3_MASK 0xf8 /* Reserved */
|
||||
#define HIL_IDD_DID_OTHER_RSVD3 0x20
|
||||
#define HIL_IDD_DID_TYPE_KEYPAD 0x00 /* Vectra Keyboard */
|
||||
|
||||
/* IDD record header
|
||||
*/
|
||||
#define HIL_IDD_HEADER_AXSET_MASK 0x03 /* Number of axis in a set */
|
||||
#define HIL_IDD_HEADER_RSC 0x04 /* Supports RSC command */
|
||||
#define HIL_IDD_HEADER_EXD 0x08 /* Supports EXD command */
|
||||
#define HIL_IDD_HEADER_IOD 0x10 /* IOD byte to follow */
|
||||
#define HIL_IDD_HEADER_16BIT 0x20 /* 16 (vs. 8) bit resolution */
|
||||
#define HIL_IDD_HEADER_ABS 0x40 /* Reports Absolute Position */
|
||||
#define HIL_IDD_HEADER_2X_AXIS 0x80 /* Two sets of 1-3 axis */
|
||||
|
||||
/* I/O Descriptor
|
||||
*/
|
||||
#define HIL_IDD_IOD_NBUTTON_MASK 0x07 /* Number of buttons */
|
||||
#define HIL_IDD_IOD_PROXIMITY 0x08 /* Proximity in/out events */
|
||||
#define HIL_IDD_IOD_PROMPT_MASK 0x70 /* Number of prompts/acks */
|
||||
#define HIL_IDD_IOD_PROMPT_SHIFT 4
|
||||
#define HIL_IDD_IOD_PROMPT 0x80 /* Generic prompt/ack */
|
||||
|
||||
#define HIL_IDD_NUM_AXES_PER_SET(header_packet) \
|
||||
((header_packet) & HIL_IDD_HEADER_AXSET_MASK)
|
||||
|
||||
#define HIL_IDD_NUM_AXSETS(header_packet) \
|
||||
(2 - !((header_packet) & HIL_IDD_HEADER_2X_AXIS))
|
||||
|
||||
#define HIL_IDD_LEN(header_packet) \
|
||||
((4 - !(header_packet & HIL_IDD_HEADER_IOD) - \
|
||||
2 * !(HIL_IDD_NUM_AXES_PER_SET(header_packet))) + \
|
||||
2 * HIL_IDD_NUM_AXES_PER_SET(header_packet) * \
|
||||
!!((header_packet) & HIL_IDD_HEADER_ABS))
|
||||
|
||||
/* The following HIL_IDD_* macros assume you have an array of
|
||||
* packets and/or unpacked 8-bit data in the order that they
|
||||
* were received.
|
||||
*/
|
||||
|
||||
#define HIL_IDD_AXIS_COUNTS_PER_M(header_ptr) \
|
||||
(!(HIL_IDD_NUM_AXSETS(*(header_ptr))) ? -1 : \
|
||||
(((*(header_ptr + 1) & HIL_PKT_DATA_MASK) + \
|
||||
((*(header_ptr + 2) & HIL_PKT_DATA_MASK)) << 8) \
|
||||
* ((*(header_ptr) & HIL_IDD_HEADER_16BIT) ? 100 : 1)))
|
||||
|
||||
#define HIL_IDD_AXIS_MAX(header_ptr, __axnum) \
|
||||
((!(*(header_ptr) & HIL_IDD_HEADER_ABS) || \
|
||||
(HIL_IDD_NUM_AXES_PER_SET(*(header_ptr)) <= __axnum)) ? 0 : \
|
||||
((HIL_PKT_DATA_MASK & *((header_ptr) + 3 + 2 * __axnum)) + \
|
||||
((HIL_PKT_DATA_MASK & *((header_ptr) + 4 + 2 * __axnum)) << 8)))
|
||||
|
||||
#define HIL_IDD_IOD(header_ptr) \
|
||||
(*(header_ptr + HIL_IDD_LEN((*header_ptr)) - 1))
|
||||
|
||||
#define HIL_IDD_HAS_GEN_PROMPT(header_ptr) \
|
||||
((*header_ptr & HIL_IDD_HEADER_IOD) && \
|
||||
(HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_PROMPT))
|
||||
|
||||
#define HIL_IDD_HAS_GEN_PROXIMITY(header_ptr) \
|
||||
((*header_ptr & HIL_IDD_HEADER_IOD) && \
|
||||
(HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_PROXIMITY))
|
||||
|
||||
#define HIL_IDD_NUM_BUTTONS(header_ptr) \
|
||||
((*header_ptr & HIL_IDD_HEADER_IOD) ? \
|
||||
(HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_NBUTTON_MASK) : 0)
|
||||
|
||||
#define HIL_IDD_NUM_PROMPTS(header_ptr) \
|
||||
((*header_ptr & HIL_IDD_HEADER_IOD) ? \
|
||||
((HIL_IDD_IOD(header_ptr) & HIL_IDD_IOD_NPROMPT_MASK) \
|
||||
>> HIL_IDD_IOD_PROMPT_SHIFT) : 0)
|
||||
|
||||
/* The response to HIL EXD commands -- the "extended describe record" */
|
||||
#define HIL_EXD_HEADER_WRG 0x03 /* Supports type2 WRG */
|
||||
#define HIL_EXD_HEADER_WRG_TYPE1 0x01 /* Supports type1 WRG */
|
||||
#define HIL_EXD_HEADER_WRG_TYPE2 0x02 /* Supports type2 WRG */
|
||||
#define HIL_EXD_HEADER_RRG 0x04 /* Supports RRG command */
|
||||
#define HIL_EXD_HEADER_RNM 0x10 /* Supports RNM command */
|
||||
#define HIL_EXD_HEADER_RST 0x20 /* Supports RST command */
|
||||
#define HIL_EXD_HEADER_LOCALE 0x40 /* Contains locale code */
|
||||
|
||||
#define HIL_EXD_NUM_RRG(header_ptr) \
|
||||
((*header_ptr & HIL_EXD_HEADER_RRG) ? \
|
||||
(*(header_ptr + 1) & HIL_PKT_DATA_MASK) : 0)
|
||||
|
||||
#define HIL_EXD_NUM_WWG(header_ptr) \
|
||||
((*header_ptr & HIL_EXD_HEADER_WRG) ? \
|
||||
(*(header_ptr + 2 - !(*header_ptr & HIL_EXD_HEADER_RRG)) & \
|
||||
HIL_PKT_DATA_MASK) : 0)
|
||||
|
||||
#define HIL_EXD_LEN(header_ptr) \
|
||||
(!!(*header_ptr & HIL_EXD_HEADER_RRG) + \
|
||||
!!(*header_ptr & HIL_EXD_HEADER_WRG) + \
|
||||
!!(*header_ptr & HIL_EXD_HEADER_LOCALE) + \
|
||||
2 * !!(*header_ptr & HIL_EXD_HEADER_WRG_TYPE2) + 1)
|
||||
|
||||
#define HIL_EXD_LOCALE(header_ptr) \
|
||||
(!(*header_ptr & HIL_EXD_HEADER_LOCALE) ? -1 : \
|
||||
(*(header_ptr + HIL_EXD_LEN(header_ptr) - 1) & HIL_PKT_DATA_MASK))
|
||||
|
||||
#define HIL_EXD_WRG_TYPE2_LEN(header_ptr) \
|
||||
(!(*header_ptr & HIL_EXD_HEADER_WRG_TYPE2) ? -1 : \
|
||||
(*(header_ptr + HIL_EXD_LEN(header_ptr) - 2 - \
|
||||
!!(*header_ptr & HIL_EXD_HEADER_LOCALE)) & HIL_PKT_DATA_MASK) + \
|
||||
((*(header_ptr + HIL_EXD_LEN(header_ptr) - 1 - \
|
||||
!!(*header_ptr & HIL_EXD_HEADER_LOCALE)) & HIL_PKT_DATA_MASK) << 8))
|
||||
|
||||
/* Device locale codes. */
|
||||
|
||||
/* Last defined locale code. Everything above this is "Reserved",
|
||||
and note that this same table applies to the Device ID Byte where
|
||||
keyboards may have a nationality code which is only 5 bits. */
|
||||
#define HIL_LOCALE_MAX 0x1f
|
||||
|
||||
/* Map to hopefully useful strings. I was trying to make these look
|
||||
like locale.aliases strings do; maybe that isn't the right table to
|
||||
emulate. In either case, I didn't have much to work on. */
|
||||
#define HIL_LOCALE_MAP \
|
||||
"", /* 0x00 Reserved */ \
|
||||
"", /* 0x01 Reserved */ \
|
||||
"", /* 0x02 Reserved */ \
|
||||
"swiss.french", /* 0x03 Swiss/French */ \
|
||||
"portuguese", /* 0x04 Portuguese */ \
|
||||
"arabic", /* 0x05 Arabic */ \
|
||||
"hebrew", /* 0x06 Hebrew */ \
|
||||
"english.canadian", /* 0x07 Canadian English */ \
|
||||
"turkish", /* 0x08 Turkish */ \
|
||||
"greek", /* 0x09 Greek */ \
|
||||
"thai", /* 0x0a Thai (Thailand) */ \
|
||||
"italian", /* 0x0b Italian */ \
|
||||
"korean", /* 0x0c Hangul (Korea) */ \
|
||||
"dutch", /* 0x0d Dutch */ \
|
||||
"swedish", /* 0x0e Swedish */ \
|
||||
"german", /* 0x0f German */ \
|
||||
"chinese", /* 0x10 Chinese-PRC */ \
|
||||
"chinese", /* 0x11 Chinese-ROC */ \
|
||||
"swiss.french", /* 0x12 Swiss/French II */ \
|
||||
"spanish", /* 0x13 Spanish */ \
|
||||
"swiss.german", /* 0x14 Swiss/German II */ \
|
||||
"flemish", /* 0x15 Belgian (Flemish) */ \
|
||||
"finnish", /* 0x16 Finnish */ \
|
||||
"english.uk", /* 0x17 United Kingdom */ \
|
||||
"french.canadian", /* 0x18 French/Canadian */ \
|
||||
"swiss.german", /* 0x19 Swiss/German */ \
|
||||
"norwegian", /* 0x1a Norwegian */ \
|
||||
"french", /* 0x1b French */ \
|
||||
"danish", /* 0x1c Danish */ \
|
||||
"japanese", /* 0x1d Katakana */ \
|
||||
"spanish", /* 0x1e Latin American/Spanish*/\
|
||||
"english.us" /* 0x1f United States */ \
|
||||
|
||||
|
||||
/* HIL keycodes */
|
||||
#define HIL_KEYCODES_SET1_TBLSIZE 128
|
||||
#define HIL_KEYCODES_SET1 \
|
||||
KEY_5, KEY_RESERVED, KEY_RIGHTALT, KEY_LEFTALT, \
|
||||
KEY_RIGHTSHIFT, KEY_LEFTSHIFT, KEY_LEFTCTRL, KEY_SYSRQ, \
|
||||
KEY_KP4, KEY_KP8, KEY_KP5, KEY_KP9, \
|
||||
KEY_KP6, KEY_KP7, KEY_KPCOMMA, KEY_KPENTER, \
|
||||
KEY_KP1, KEY_KPSLASH, KEY_KP2, KEY_KPPLUS, \
|
||||
KEY_KP3, KEY_KPASTERISK, KEY_KP0, KEY_KPMINUS, \
|
||||
KEY_B, KEY_V, KEY_C, KEY_X, \
|
||||
KEY_Z, KEY_RESERVED, KEY_RESERVED, KEY_ESC, \
|
||||
KEY_6, KEY_F10, KEY_3, KEY_F11, \
|
||||
KEY_KPDOT, KEY_F9, KEY_TAB /*KP*/, KEY_F12, \
|
||||
KEY_H, KEY_G, KEY_F, KEY_D, \
|
||||
KEY_S, KEY_A, KEY_RESERVED, KEY_CAPSLOCK, \
|
||||
KEY_U, KEY_Y, KEY_T, KEY_R, \
|
||||
KEY_E, KEY_W, KEY_Q, KEY_TAB, \
|
||||
KEY_7, KEY_6, KEY_5, KEY_4, \
|
||||
KEY_3, KEY_2, KEY_1, KEY_GRAVE, \
|
||||
KEY_F13, KEY_F14, KEY_F15, KEY_F16, \
|
||||
KEY_F17, KEY_F18, KEY_F19, KEY_F20, \
|
||||
KEY_MENU, KEY_F4, KEY_F3, KEY_F2, \
|
||||
KEY_F1, KEY_VOLUMEUP, KEY_STOP, KEY_SENDFILE, \
|
||||
KEY_SYSRQ, KEY_F5, KEY_F6, KEY_F7, \
|
||||
KEY_F8, KEY_VOLUMEDOWN, KEY_DEL_EOL, KEY_DEL_EOS, \
|
||||
KEY_8, KEY_9, KEY_0, KEY_MINUS, \
|
||||
KEY_EQUAL, KEY_BACKSPACE, KEY_INS_LINE, KEY_DEL_LINE, \
|
||||
KEY_I, KEY_O, KEY_P, KEY_LEFTBRACE, \
|
||||
KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_INSERT, KEY_DELETE, \
|
||||
KEY_J, KEY_K, KEY_L, KEY_SEMICOLON, \
|
||||
KEY_APOSTROPHE, KEY_ENTER, KEY_HOME, KEY_PAGEUP, \
|
||||
KEY_M, KEY_COMMA, KEY_DOT, KEY_SLASH, \
|
||||
KEY_BACKSLASH, KEY_SELECT, KEY_102ND, KEY_PAGEDOWN, \
|
||||
KEY_N, KEY_SPACE, KEY_NEXT, KEY_RESERVED, \
|
||||
KEY_LEFT, KEY_DOWN, KEY_UP, KEY_RIGHT
|
||||
|
||||
|
||||
#define HIL_KEYCODES_SET3_TBLSIZE 128
|
||||
#define HIL_KEYCODES_SET3 \
|
||||
KEY_RESERVED, KEY_ESC, KEY_1, KEY_2, \
|
||||
KEY_3, KEY_4, KEY_5, KEY_6, \
|
||||
KEY_7, KEY_8, KEY_9, KEY_0, \
|
||||
KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, KEY_TAB, \
|
||||
KEY_Q, KEY_W, KEY_E, KEY_R, \
|
||||
KEY_T, KEY_Y, KEY_U, KEY_I, \
|
||||
KEY_O, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE, \
|
||||
KEY_ENTER, KEY_LEFTCTRL, KEY_A, KEY_S, \
|
||||
KEY_D, KEY_F, KEY_G, KEY_H, \
|
||||
KEY_J, KEY_K, KEY_L, KEY_SEMICOLON, \
|
||||
KEY_APOSTROPHE,KEY_GRAVE, KEY_LEFTSHIFT, KEY_BACKSLASH, \
|
||||
KEY_Z, KEY_X, KEY_C, KEY_V, \
|
||||
KEY_B, KEY_N, KEY_M, KEY_COMMA, \
|
||||
KEY_DOT, KEY_SLASH, KEY_RIGHTSHIFT, KEY_KPASTERISK, \
|
||||
KEY_LEFTALT, KEY_SPACE, KEY_CAPSLOCK, KEY_F1, \
|
||||
KEY_F2, KEY_F3, KEY_F4, KEY_F5, \
|
||||
KEY_F6, KEY_F7, KEY_F8, KEY_F9, \
|
||||
KEY_F10, KEY_NUMLOCK, KEY_SCROLLLOCK, KEY_KP7, \
|
||||
KEY_KP8, KEY_KP9, KEY_KPMINUS, KEY_KP4, \
|
||||
KEY_KP5, KEY_KP6, KEY_KPPLUS, KEY_KP1, \
|
||||
KEY_KP2, KEY_KP3, KEY_KP0, KEY_KPDOT, \
|
||||
KEY_SYSRQ, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, \
|
||||
KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, \
|
||||
KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, \
|
||||
KEY_UP, KEY_LEFT, KEY_DOWN, KEY_RIGHT, \
|
||||
KEY_HOME, KEY_PAGEUP, KEY_END, KEY_PAGEDOWN, \
|
||||
KEY_INSERT, KEY_DELETE, KEY_102ND, KEY_RESERVED, \
|
||||
KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, \
|
||||
KEY_F1, KEY_F2, KEY_F3, KEY_F4, \
|
||||
KEY_F5, KEY_F6, KEY_F7, KEY_F8, \
|
||||
KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, \
|
||||
KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED
|
||||
|
||||
|
||||
/* Response to POL command, the "poll record header" */
|
||||
|
||||
#define HIL_POL_NUM_AXES_MASK 0x03 /* Number of axis reported */
|
||||
#define HIL_POL_CTS 0x04 /* Device ready to receive data */
|
||||
#define HIL_POL_STATUS_PENDING 0x08 /* Device has status to report */
|
||||
#define HIL_POL_CHARTYPE_MASK 0x70 /* Type of character data to follow */
|
||||
#define HIL_POL_CHARTYPE_NONE 0x00 /* No character data to follow */
|
||||
#define HIL_POL_CHARTYPE_RSVD1 0x10 /* Reserved Set 1 */
|
||||
#define HIL_POL_CHARTYPE_ASCII 0x20 /* U.S. ASCII */
|
||||
#define HIL_POL_CHARTYPE_BINARY 0x30 /* Binary data */
|
||||
#define HIL_POL_CHARTYPE_SET1 0x40 /* Keycode Set 1 */
|
||||
#define HIL_POL_CHARTYPE_RSVD2 0x50 /* Reserved Set 2 */
|
||||
#define HIL_POL_CHARTYPE_SET2 0x60 /* Keycode Set 2 */
|
||||
#define HIL_POL_CHARTYPE_SET3 0x70 /* Keycode Set 3 */
|
||||
#define HIL_POL_AXIS_ALT 0x80 /* Data is from axis set 2 */
|
||||
|
||||
|
||||
#endif /* _HIL_H_ */
|
||||
|
|
@ -0,0 +1,168 @@
|
|||
/*
|
||||
* HP Human Interface Loop Master Link Controller driver.
|
||||
*
|
||||
* Copyright (c) 2001 Brian S. Julin
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions, and the following disclaimer,
|
||||
* without modification.
|
||||
* 2. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* Alternatively, this software may be distributed under the terms of the
|
||||
* GNU General Public License ("GPL").
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
*
|
||||
* References:
|
||||
* HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/hil.h>
|
||||
#include <linux/time.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <asm/semaphore.h>
|
||||
#include <linux/serio.h>
|
||||
#include <linux/list.h>
|
||||
|
||||
typedef struct hil_mlc hil_mlc;
|
||||
|
||||
/* The HIL has a complicated state engine.
|
||||
* We define the structure of nodes in the state engine here.
|
||||
*/
|
||||
enum hilse_act {
|
||||
/* HILSE_OUT prepares to receive input if the next node
|
||||
* is an IN or EXPECT, and then sends the given packet.
|
||||
*/
|
||||
HILSE_OUT = 0,
|
||||
|
||||
/* HILSE_CTS checks if the loop is busy. */
|
||||
HILSE_CTS,
|
||||
|
||||
/* HILSE_OUT_LAST sends the given command packet to
|
||||
* the last configured/running device on the loop.
|
||||
*/
|
||||
HILSE_OUT_LAST,
|
||||
|
||||
/* HILSE_OUT_DISC sends the given command packet to
|
||||
* the next device past the last configured/running one.
|
||||
*/
|
||||
HILSE_OUT_DISC,
|
||||
|
||||
/* HILSE_FUNC runs a callback function with given arguments.
|
||||
* a positive return value causes the "ugly" branch to be taken.
|
||||
*/
|
||||
HILSE_FUNC,
|
||||
|
||||
/* HILSE_IN simply expects any non-errored packet to arrive
|
||||
* within arg usecs.
|
||||
*/
|
||||
HILSE_IN = 0x100,
|
||||
|
||||
/* HILSE_EXPECT expects a particular packet to arrive
|
||||
* within arg usecs, any other packet is considered an error.
|
||||
*/
|
||||
HILSE_EXPECT,
|
||||
|
||||
/* HILSE_EXPECT_LAST as above but dev field should be last
|
||||
* discovered/operational device.
|
||||
*/
|
||||
HILSE_EXPECT_LAST,
|
||||
|
||||
/* HILSE_EXPECT_LAST as above but dev field should be first
|
||||
* undiscovered/inoperational device.
|
||||
*/
|
||||
HILSE_EXPECT_DISC
|
||||
};
|
||||
|
||||
typedef int (hilse_func) (hil_mlc *mlc, int arg);
|
||||
struct hilse_node {
|
||||
enum hilse_act act; /* How to process this node */
|
||||
union {
|
||||
hilse_func *func; /* Function to call if HILSE_FUNC */
|
||||
hil_packet packet; /* Packet to send or to compare */
|
||||
} object;
|
||||
int arg; /* Timeout in usec or parm for func */
|
||||
int good; /* Node to jump to on success */
|
||||
int bad; /* Node to jump to on error */
|
||||
int ugly; /* Node to jump to on timeout */
|
||||
};
|
||||
|
||||
/* Methods for back-end drivers, e.g. hp_sdc_mlc */
|
||||
typedef int (hil_mlc_cts) (hil_mlc *mlc);
|
||||
typedef void (hil_mlc_out) (hil_mlc *mlc);
|
||||
typedef int (hil_mlc_in) (hil_mlc *mlc, suseconds_t timeout);
|
||||
|
||||
struct hil_mlc_devinfo {
|
||||
uint8_t idd[16]; /* Device ID Byte and Describe Record */
|
||||
uint8_t rsc[16]; /* Security Code Header and Record */
|
||||
uint8_t exd[16]; /* Extended Describe Record */
|
||||
uint8_t rnm[16]; /* Device name as returned by RNM command */
|
||||
};
|
||||
|
||||
struct hil_mlc_serio_map {
|
||||
hil_mlc *mlc;
|
||||
int di_revmap;
|
||||
int didx;
|
||||
};
|
||||
|
||||
/* How many (possibly old/detached) devices the we try to keep track of */
|
||||
#define HIL_MLC_DEVMEM 16
|
||||
|
||||
struct hil_mlc {
|
||||
struct list_head list; /* hil_mlc is organized as linked list */
|
||||
|
||||
rwlock_t lock;
|
||||
|
||||
void *priv; /* Data specific to a particular type of MLC */
|
||||
|
||||
int seidx; /* Current node in state engine */
|
||||
int istarted, ostarted;
|
||||
|
||||
hil_mlc_cts *cts;
|
||||
struct semaphore csem; /* Raised when loop idle */
|
||||
|
||||
hil_mlc_out *out;
|
||||
struct semaphore osem; /* Raised when outpacket dispatched */
|
||||
hil_packet opacket;
|
||||
|
||||
hil_mlc_in *in;
|
||||
struct semaphore isem; /* Raised when a packet arrives */
|
||||
hil_packet ipacket[16];
|
||||
hil_packet imatch;
|
||||
int icount;
|
||||
struct timeval instart;
|
||||
suseconds_t intimeout;
|
||||
|
||||
int ddi; /* Last operational device id */
|
||||
int lcv; /* LCV to throttle loops */
|
||||
struct timeval lcv_tv; /* Time loop was started */
|
||||
|
||||
int di_map[7]; /* Maps below items to live devs */
|
||||
struct hil_mlc_devinfo di[HIL_MLC_DEVMEM];
|
||||
struct serio *serio[HIL_MLC_DEVMEM];
|
||||
struct hil_mlc_serio_map serio_map[HIL_MLC_DEVMEM];
|
||||
hil_packet serio_opacket[HIL_MLC_DEVMEM];
|
||||
int serio_oidx[HIL_MLC_DEVMEM];
|
||||
struct hil_mlc_devinfo di_scratch; /* Temporary area */
|
||||
|
||||
int opercnt;
|
||||
|
||||
struct tasklet_struct *tasklet;
|
||||
};
|
||||
|
||||
int hil_mlc_register(hil_mlc *mlc);
|
||||
int hil_mlc_unregister(hil_mlc *mlc);
|
||||
|
|
@ -0,0 +1,300 @@
|
|||
/*
|
||||
* HP i8042 System Device Controller -- header
|
||||
*
|
||||
* Copyright (c) 2001 Brian S. Julin
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions, and the following disclaimer,
|
||||
* without modification.
|
||||
* 2. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* Alternatively, this software may be distributed under the terms of the
|
||||
* GNU General Public License ("GPL").
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
*
|
||||
* References:
|
||||
*
|
||||
* HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A
|
||||
*
|
||||
* System Device Controller Microprocessor Firmware Theory of Operation
|
||||
* for Part Number 1820-4784 Revision B. Dwg No. A-1820-4784-2
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _LINUX_HP_SDC_H
|
||||
#define _LINUX_HP_SDC_H
|
||||
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/time.h>
|
||||
#include <linux/timer.h>
|
||||
#if defined(__hppa__)
|
||||
#include <asm/hardware.h>
|
||||
#endif
|
||||
|
||||
|
||||
/* No 4X status reads take longer than this (in usec).
|
||||
*/
|
||||
#define HP_SDC_MAX_REG_DELAY 20000
|
||||
|
||||
typedef void (hp_sdc_irqhook) (int irq, void *dev_id,
|
||||
uint8_t status, uint8_t data);
|
||||
|
||||
int hp_sdc_request_timer_irq(hp_sdc_irqhook *callback);
|
||||
int hp_sdc_request_hil_irq(hp_sdc_irqhook *callback);
|
||||
int hp_sdc_request_cooked_irq(hp_sdc_irqhook *callback);
|
||||
int hp_sdc_release_timer_irq(hp_sdc_irqhook *callback);
|
||||
int hp_sdc_release_hil_irq(hp_sdc_irqhook *callback);
|
||||
int hp_sdc_release_cooked_irq(hp_sdc_irqhook *callback);
|
||||
|
||||
typedef struct {
|
||||
int actidx; /* Start of act. Acts are atomic WRT I/O to SDC */
|
||||
int idx; /* Index within the act */
|
||||
int endidx; /* transaction is over and done if idx == endidx */
|
||||
uint8_t *seq; /* commands/data for the transaction */
|
||||
union {
|
||||
hp_sdc_irqhook *irqhook; /* Callback, isr or tasklet context */
|
||||
struct semaphore *semaphore; /* Semaphore to sleep on. */
|
||||
} act;
|
||||
} hp_sdc_transaction;
|
||||
int hp_sdc_enqueue_transaction(hp_sdc_transaction *this);
|
||||
int hp_sdc_dequeue_transaction(hp_sdc_transaction *this);
|
||||
|
||||
/* The HP_SDC_ACT* values are peculiar to this driver.
|
||||
* Nuance: never HP_SDC_ACT_DATAIN | HP_SDC_ACT_DEALLOC, use another
|
||||
* act to perform the dealloc.
|
||||
*/
|
||||
#define HP_SDC_ACT_PRECMD 0x01 /* Send a command first */
|
||||
#define HP_SDC_ACT_DATAREG 0x02 /* Set data registers */
|
||||
#define HP_SDC_ACT_DATAOUT 0x04 /* Send data bytes */
|
||||
#define HP_SDC_ACT_POSTCMD 0x08 /* Send command after */
|
||||
#define HP_SDC_ACT_DATAIN 0x10 /* Collect data after */
|
||||
#define HP_SDC_ACT_DURING 0x1f
|
||||
#define HP_SDC_ACT_SEMAPHORE 0x20 /* Raise semaphore after */
|
||||
#define HP_SDC_ACT_CALLBACK 0x40 /* Pass data to IRQ handler */
|
||||
#define HP_SDC_ACT_DEALLOC 0x80 /* Destroy transaction after */
|
||||
#define HP_SDC_ACT_AFTER 0xe0
|
||||
#define HP_SDC_ACT_DEAD 0x60 /* Act timed out. */
|
||||
|
||||
/* Rest of the flags are straightforward representation of the SDC interface */
|
||||
#define HP_SDC_STATUS_IBF 0x02 /* Input buffer full */
|
||||
|
||||
#define HP_SDC_STATUS_IRQMASK 0xf0 /* Bits containing "level 1" irq */
|
||||
#define HP_SDC_STATUS_PERIODIC 0x10 /* Periodic 10ms timer */
|
||||
#define HP_SDC_STATUS_USERTIMER 0x20 /* "Special purpose" timer */
|
||||
#define HP_SDC_STATUS_TIMER 0x30 /* Both PERIODIC and USERTIMER */
|
||||
#define HP_SDC_STATUS_REG 0x40 /* Data from an i8042 register */
|
||||
#define HP_SDC_STATUS_HILCMD 0x50 /* Command from HIL MLC */
|
||||
#define HP_SDC_STATUS_HILDATA 0x60 /* Data from HIL MLC */
|
||||
#define HP_SDC_STATUS_PUP 0x70 /* Sucessful power-up self test */
|
||||
#define HP_SDC_STATUS_KCOOKED 0x80 /* Key from cooked kbd */
|
||||
#define HP_SDC_STATUS_KRPG 0xc0 /* Key from Repeat Gen */
|
||||
#define HP_SDC_STATUS_KMOD_SUP 0x10 /* Shift key is up */
|
||||
#define HP_SDC_STATUS_KMOD_CUP 0x20 /* Control key is up */
|
||||
|
||||
#define HP_SDC_NMISTATUS_FHS 0x40 /* NMI is a fast handshake irq */
|
||||
|
||||
/* Internal i8042 registers (there are more, but they are not too useful). */
|
||||
|
||||
#define HP_SDC_USE 0x02 /* Resource usage (including OB bit) */
|
||||
#define HP_SDC_IM 0x04 /* Interrupt mask */
|
||||
#define HP_SDC_CFG 0x11 /* Configuration register */
|
||||
#define HP_SDC_KBLANGUAGE 0x12 /* Keyboard language */
|
||||
|
||||
#define HP_SDC_D0 0x70 /* General purpose data buffer 0 */
|
||||
#define HP_SDC_D1 0x71 /* General purpose data buffer 1 */
|
||||
#define HP_SDC_D2 0x72 /* General purpose data buffer 2 */
|
||||
#define HP_SDC_D3 0x73 /* General purpose data buffer 3 */
|
||||
#define HP_SDC_VT1 0x74 /* Timer for voice 1 */
|
||||
#define HP_SDC_VT2 0x75 /* Timer for voice 2 */
|
||||
#define HP_SDC_VT3 0x76 /* Timer for voice 3 */
|
||||
#define HP_SDC_VT4 0x77 /* Timer for voice 4 */
|
||||
#define HP_SDC_KBN 0x78 /* Which HIL devs are Nimitz */
|
||||
#define HP_SDC_KBC 0x79 /* Which HIL devs are cooked kbds */
|
||||
#define HP_SDC_LPS 0x7a /* i8042's view of HIL status */
|
||||
#define HP_SDC_LPC 0x7b /* i8042's view of HIL "control" */
|
||||
#define HP_SDC_RSV 0x7c /* Reserved "for testing" */
|
||||
#define HP_SDC_LPR 0x7d /* i8042 count of HIL reconfigs */
|
||||
#define HP_SDC_XTD 0x7e /* "Extended Configuration" register */
|
||||
#define HP_SDC_STR 0x7f /* i8042 self-test result */
|
||||
|
||||
/* Bitfields for above registers */
|
||||
#define HP_SDC_USE_LOOP 0x04 /* Command is currently on the loop. */
|
||||
|
||||
#define HP_SDC_IM_MASK 0x1f /* these bits not part of cmd/status */
|
||||
#define HP_SDC_IM_FH 0x10 /* Mask the fast handshake irq */
|
||||
#define HP_SDC_IM_PT 0x08 /* Mask the periodic timer irq */
|
||||
#define HP_SDC_IM_TIMERS 0x04 /* Mask the MT/DT/CT irq */
|
||||
#define HP_SDC_IM_RESET 0x02 /* Mask the reset key irq */
|
||||
#define HP_SDC_IM_HIL 0x01 /* Mask the HIL MLC irq */
|
||||
|
||||
#define HP_SDC_CFG_ROLLOVER 0x08 /* WTF is "N-key rollover"? */
|
||||
#define HP_SDC_CFG_KBD 0x10 /* There is a keyboard */
|
||||
#define HP_SDC_CFG_NEW 0x20 /* Supports/uses HIL MLC */
|
||||
#define HP_SDC_CFG_KBD_OLD 0x03 /* keyboard code for non-HIL */
|
||||
#define HP_SDC_CFG_KBD_NEW 0x07 /* keyboard code from HIL autoconfig */
|
||||
#define HP_SDC_CFG_REV 0x40 /* Code revision bit */
|
||||
#define HP_SDC_CFG_IDPROM 0x80 /* IDPROM present in kbd (not HIL) */
|
||||
|
||||
#define HP_SDC_LPS_NDEV 0x07 /* # devices autoconfigured on HIL */
|
||||
#define HP_SDC_LPS_ACSUCC 0x08 /* loop autoconfigured successfully */
|
||||
#define HP_SDC_LPS_ACFAIL 0x80 /* last loop autoconfigure failed */
|
||||
|
||||
#define HP_SDC_LPC_APE_IPF 0x01 /* HIL MLC APE/IPF (autopoll) set */
|
||||
#define HP_SDC_LPC_ARCONERR 0x02 /* i8042 autoreconfigs loop on err */
|
||||
#define HP_SDC_LPC_ARCQUIET 0x03 /* i8042 doesn't report autoreconfigs*/
|
||||
#define HP_SDC_LPC_COOK 0x10 /* i8042 cooks devices in _KBN */
|
||||
#define HP_SDC_LPC_RC 0x80 /* causes autoreconfig */
|
||||
|
||||
#define HP_SDC_XTD_REV 0x07 /* contains revision code */
|
||||
#define HP_SDC_XTD_REV_STRINGS(val, str) \
|
||||
switch (val) { \
|
||||
case 0x1: str = "1820-3712"; break; \
|
||||
case 0x2: str = "1820-4379"; break; \
|
||||
case 0x3: str = "1820-4784"; break; \
|
||||
default: str = "unknown"; \
|
||||
};
|
||||
#define HP_SDC_XTD_BEEPER 0x08 /* TI SN76494 beeper available */
|
||||
#define HP_SDC_XTD_BBRTC 0x20 /* OKI MSM-58321 BBRTC present */
|
||||
|
||||
#define HP_SDC_CMD_LOAD_RT 0x31 /* Load real time (from 8042) */
|
||||
#define HP_SDC_CMD_LOAD_FHS 0x36 /* Load the fast handshake timer */
|
||||
#define HP_SDC_CMD_LOAD_MT 0x38 /* Load the match timer */
|
||||
#define HP_SDC_CMD_LOAD_DT 0x3B /* Load the delay timer */
|
||||
#define HP_SDC_CMD_LOAD_CT 0x3E /* Load the cycle timer */
|
||||
|
||||
#define HP_SDC_CMD_SET_IM 0x40 /* 010xxxxx == set irq mask */
|
||||
|
||||
/* The documents provided do not explicitly state that all registers betweem
|
||||
* 0x01 and 0x1f inclusive can be read by sending their register index as a
|
||||
* command, but this is implied and appears to be the case.
|
||||
*/
|
||||
#define HP_SDC_CMD_READ_RAM 0x00 /* Load from i8042 RAM (autoinc) */
|
||||
#define HP_SDC_CMD_READ_USE 0x02 /* Undocumented! Load from usage reg */
|
||||
#define HP_SDC_CMD_READ_IM 0x04 /* Load current interrupt mask */
|
||||
#define HP_SDC_CMD_READ_KCC 0x11 /* Load primary kbd config code */
|
||||
#define HP_SDC_CMD_READ_KLC 0x12 /* Load primary kbd language code */
|
||||
#define HP_SDC_CMD_READ_T1 0x13 /* Load timer output buffer byte 1 */
|
||||
#define HP_SDC_CMD_READ_T2 0x14 /* Load timer output buffer byte 1 */
|
||||
#define HP_SDC_CMD_READ_T3 0x15 /* Load timer output buffer byte 1 */
|
||||
#define HP_SDC_CMD_READ_T4 0x16 /* Load timer output buffer byte 1 */
|
||||
#define HP_SDC_CMD_READ_T5 0x17 /* Load timer output buffer byte 1 */
|
||||
#define HP_SDC_CMD_READ_D0 0xf0 /* Load from i8042 RAM location 0x70 */
|
||||
#define HP_SDC_CMD_READ_D1 0xf1 /* Load from i8042 RAM location 0x71 */
|
||||
#define HP_SDC_CMD_READ_D2 0xf2 /* Load from i8042 RAM location 0x72 */
|
||||
#define HP_SDC_CMD_READ_D3 0xf3 /* Load from i8042 RAM location 0x73 */
|
||||
#define HP_SDC_CMD_READ_VT1 0xf4 /* Load from i8042 RAM location 0x74 */
|
||||
#define HP_SDC_CMD_READ_VT2 0xf5 /* Load from i8042 RAM location 0x75 */
|
||||
#define HP_SDC_CMD_READ_VT3 0xf6 /* Load from i8042 RAM location 0x76 */
|
||||
#define HP_SDC_CMD_READ_VT4 0xf7 /* Load from i8042 RAM location 0x77 */
|
||||
#define HP_SDC_CMD_READ_KBN 0xf8 /* Load from i8042 RAM location 0x78 */
|
||||
#define HP_SDC_CMD_READ_KBC 0xf9 /* Load from i8042 RAM location 0x79 */
|
||||
#define HP_SDC_CMD_READ_LPS 0xfa /* Load from i8042 RAM location 0x7a */
|
||||
#define HP_SDC_CMD_READ_LPC 0xfb /* Load from i8042 RAM location 0x7b */
|
||||
#define HP_SDC_CMD_READ_RSV 0xfc /* Load from i8042 RAM location 0x7c */
|
||||
#define HP_SDC_CMD_READ_LPR 0xfd /* Load from i8042 RAM location 0x7d */
|
||||
#define HP_SDC_CMD_READ_XTD 0xfe /* Load from i8042 RAM location 0x7e */
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||||
#define HP_SDC_CMD_READ_STR 0xff /* Load from i8042 RAM location 0x7f */
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||||
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||||
#define HP_SDC_CMD_SET_ARD 0xA0 /* Set emulated autorepeat delay */
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#define HP_SDC_CMD_SET_ARR 0xA2 /* Set emulated autorepeat rate */
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#define HP_SDC_CMD_SET_BELL 0xA3 /* Set voice 3 params for "beep" cmd */
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#define HP_SDC_CMD_SET_RPGR 0xA6 /* Set "RPG" irq rate (doesn't work) */
|
||||
#define HP_SDC_CMD_SET_RTMS 0xAD /* Set the RTC time (milliseconds) */
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||||
#define HP_SDC_CMD_SET_RTD 0xAF /* Set the RTC time (days) */
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#define HP_SDC_CMD_SET_FHS 0xB2 /* Set fast handshake timer */
|
||||
#define HP_SDC_CMD_SET_MT 0xB4 /* Set match timer */
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||||
#define HP_SDC_CMD_SET_DT 0xB7 /* Set delay timer */
|
||||
#define HP_SDC_CMD_SET_CT 0xBA /* Set cycle timer */
|
||||
#define HP_SDC_CMD_SET_RAMP 0xC1 /* Reset READ_RAM autoinc counter */
|
||||
#define HP_SDC_CMD_SET_D0 0xe0 /* Load to i8042 RAM location 0x70 */
|
||||
#define HP_SDC_CMD_SET_D1 0xe1 /* Load to i8042 RAM location 0x71 */
|
||||
#define HP_SDC_CMD_SET_D2 0xe2 /* Load to i8042 RAM location 0x72 */
|
||||
#define HP_SDC_CMD_SET_D3 0xe3 /* Load to i8042 RAM location 0x73 */
|
||||
#define HP_SDC_CMD_SET_VT1 0xe4 /* Load to i8042 RAM location 0x74 */
|
||||
#define HP_SDC_CMD_SET_VT2 0xe5 /* Load to i8042 RAM location 0x75 */
|
||||
#define HP_SDC_CMD_SET_VT3 0xe6 /* Load to i8042 RAM location 0x76 */
|
||||
#define HP_SDC_CMD_SET_VT4 0xe7 /* Load to i8042 RAM location 0x77 */
|
||||
#define HP_SDC_CMD_SET_KBN 0xe8 /* Load to i8042 RAM location 0x78 */
|
||||
#define HP_SDC_CMD_SET_KBC 0xe9 /* Load to i8042 RAM location 0x79 */
|
||||
#define HP_SDC_CMD_SET_LPS 0xea /* Load to i8042 RAM location 0x7a */
|
||||
#define HP_SDC_CMD_SET_LPC 0xeb /* Load to i8042 RAM location 0x7b */
|
||||
#define HP_SDC_CMD_SET_RSV 0xec /* Load to i8042 RAM location 0x7c */
|
||||
#define HP_SDC_CMD_SET_LPR 0xed /* Load to i8042 RAM location 0x7d */
|
||||
#define HP_SDC_CMD_SET_XTD 0xee /* Load to i8042 RAM location 0x7e */
|
||||
#define HP_SDC_CMD_SET_STR 0xef /* Load to i8042 RAM location 0x7f */
|
||||
|
||||
#define HP_SDC_CMD_DO_RTCW 0xc2 /* i8042 RAM 0x70 --> RTC */
|
||||
#define HP_SDC_CMD_DO_RTCR 0xc3 /* RTC[0x70 0:3] --> irq/status/data */
|
||||
#define HP_SDC_CMD_DO_BEEP 0xc4 /* i8042 RAM 0x70-74 --> beeper,VT3 */
|
||||
#define HP_SDC_CMD_DO_HIL 0xc5 /* i8042 RAM 0x70-73 -->
|
||||
HIL MLC R0,R1 i8042 HIL watchdog */
|
||||
|
||||
/* Values used to (de)mangle input/output to/from the HIL MLC */
|
||||
#define HP_SDC_DATA 0x40 /* Data from an 8042 register */
|
||||
#define HP_SDC_HIL_CMD 0x50 /* Data from HIL MLC R1/8042 */
|
||||
#define HP_SDC_HIL_R1MASK 0x0f /* Contents of HIL MLC R1 0:3 */
|
||||
#define HP_SDC_HIL_AUTO 0x10 /* Set if POL results from i8042 */
|
||||
#define HP_SDC_HIL_ISERR 0x80 /* Has meaning as in next 4 values */
|
||||
#define HP_SDC_HIL_RC_DONE 0x80 /* i8042 auto-configured loop */
|
||||
#define HP_SDC_HIL_ERR 0x81 /* HIL MLC R2 had a bit set */
|
||||
#define HP_SDC_HIL_TO 0x82 /* i8042 HIL watchdog expired */
|
||||
#define HP_SDC_HIL_RC 0x84 /* i8042 is auto-configuring loop */
|
||||
#define HP_SDC_HIL_DAT 0x60 /* Data from HIL MLC R0 */
|
||||
|
||||
|
||||
typedef struct {
|
||||
rwlock_t ibf_lock;
|
||||
rwlock_t lock; /* user/tasklet lock */
|
||||
rwlock_t rtq_lock; /* isr/tasklet lock */
|
||||
rwlock_t hook_lock; /* isr/user lock for handler add/del */
|
||||
|
||||
unsigned int irq, nmi; /* Our IRQ lines */
|
||||
unsigned long base_io, status_io, data_io; /* Our IO ports */
|
||||
|
||||
uint8_t im; /* Interrupt mask */
|
||||
int set_im; /* Interrupt mask needs to be set. */
|
||||
|
||||
int ibf; /* Last known status of IBF flag */
|
||||
uint8_t wi; /* current i8042 write index */
|
||||
uint8_t r7[4]; /* current i8042[0x70 - 0x74] values */
|
||||
uint8_t r11, r7e; /* Values from version/revision regs */
|
||||
|
||||
hp_sdc_irqhook *timer, *reg, *hil, *pup, *cooked;
|
||||
|
||||
#define HP_SDC_QUEUE_LEN 16
|
||||
hp_sdc_transaction *tq[HP_SDC_QUEUE_LEN]; /* All pending read/writes */
|
||||
|
||||
int rcurr, rqty; /* Current read transact in process */
|
||||
struct timeval rtv; /* Time when current read started */
|
||||
int wcurr; /* Current write transact in process */
|
||||
|
||||
int dev_err; /* carries status from registration */
|
||||
#if defined(__hppa__)
|
||||
struct parisc_device *dev;
|
||||
#elif defined(__mc68000__)
|
||||
void *dev;
|
||||
#else
|
||||
#error No support for device registration on this arch yet.
|
||||
#endif
|
||||
|
||||
struct timer_list kicker; /* Keeps below task alive */
|
||||
struct tasklet_struct task;
|
||||
|
||||
} hp_i8042_sdc;
|
||||
|
||||
#endif /* _LINUX_HP_SDC_H */
|
||||
|
|
@ -644,6 +644,7 @@ struct input_absinfo {
|
|||
#define BUS_ADB 0x17
|
||||
#define BUS_I2C 0x18
|
||||
#define BUS_HOST 0x19
|
||||
#define BUS_GSC 0x1A
|
||||
|
||||
/*
|
||||
* Values describing the status of an effect
|
||||
|
|
|
|||
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